I have not put any gain through it, but for 'so clean it's almost naked' sounds, I really enjoyed experimenting with my 10 band MXR. :D
It's only in it's box now, because I don't need it for home practice - and my current 'fave' amps ( for chord melody ) have onboard graphic E.Q. / notch filters. BUT , if gigging again, ( in a wider variety of styles / covers band , or playing through a borrowed amp ) - I feel the 10 band MXR would be a real 'secret weapon' to boost solos, reduce feedback , tune to the room - and generally act as a sonic 'Swiss Army Knife' . :)
I have had Parametic 'sweep' on a previous amp , some time ago - but of the two , prefer the flexibility of Graphic / notch filter type E.Q.s